NEET Sample Paper NEET Sample Test Paper-30

  • question_answer
    An LC circuit is in the state of resonance. If \[c=.1\mu f\]and \[L=0.25\,H\]. neglecting ohmic resistance of circuit. What is the frequency of oscillation?

    A)  1007Hz          

    B)  100Hz

    C)  1109Hz                      

    D)  600Hz

    Correct Answer: A

    Solution :

    From formula, the frequency of oscillation in LC circuit in given by, \[f=\frac{1}{2\pi \sqrt{LC}}\] Here       \[L=0.25\text{ }H\]and\[C=0.1\text{ }\mu f\]. \[\therefore \]    \[f=\frac{1}{2\pi \sqrt{0.5\times 0.1\times {{10}^{-6}}}}=1007\,Hz.\]   


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